exchange 2007 server, legacy Mailbox can not use OWA

It seems like i ma missing somethig as users that have "Recipient Type Details" seem not to be able to use OWA , when they connect to OWA and enter their user ID and Password they get an error that says:

Inner Exception
Exception type: Microsoft.Exchange.Data.Directory.InvalidADObjectOperationException
Exception message: Property Languages cannot be set on this object because it requires the object to have version 0.1 (8.0.535.0) or later. Current version of the object is 0.0 (6.5.6500.0).

Error:
Exception message: Property Languages cannot be set on this object because it requires the object to have version 0.1 (8.0.535.0) or later. Current version of the object is 0.0 (6.5.6500.0).
>> Mailbox object properties refer to exchange 2003

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